const openBtn = document.querySelector('.open-btn')
const closeBtn = document.querySelector('.close-btn')
const navs = document.querySelectorAll('.nav')

openBtn.addEventListener('click', () => {
    navs.forEach(nav => {
        nav.classList.add('visible')
    })
})
closeBtn.addEventListener('click', () => {
    navs.forEach(nav => {
        nav.classList.remove('visible')
    })
})